fix(IDX): use llvm-clang on Intel macOS (#3530)

This ensures that the x86-darwin builders use a working c compiler (llvm-clang) instead of Apple's, which causes build failures. Co-authored-by: Bas van Dijk <[email protected]>
dfinity · Jan 20, 2025 · 91e4183 · 91e4183
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commit 91e4183
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diff --git a/.github/workflows-source/ci-main.yml b/.github/workflows-source/ci-main.yml
@@ -189,6 +189,8 @@ jobs:
         run: |
           echo "/usr/local/bin" >> $GITHUB_PATH
           echo "$HOME/.cargo/bin:" >> $GITHUB_PATH
+          # use llvm-clang instead of apple's
+          echo "CC=/usr/local/opt/llvm/bin/clang" >> "$GITHUB_ENV"
       - name: Run Bazel Test Darwin x86-64
         id: bazel-test-darwin-x86-64
         uses:  ./.github/actions/bazel-test-all/

diff --git a/.github/workflows/ci-main.yml b/.github/workflows/ci-main.yml
@@ -181,6 +181,8 @@ jobs:
         run: |
           echo "/usr/local/bin" >> $GITHUB_PATH
           echo "$HOME/.cargo/bin:" >> $GITHUB_PATH
+          # use llvm-clang instead of apple's
+          echo "CC=/usr/local/opt/llvm/bin/clang" >> "$GITHUB_ENV"
       - name: Run Bazel Test Darwin x86-64
         id: bazel-test-darwin-x86-64
         uses: ./.github/actions/bazel-test-all/